<p>National Public Radio touts itself as an oasis of civility. But the calm tones of its announcers belie a dramatic liberal tilt. On Thursday's <em>Morning Edition,</em> longtime Supreme Court reporter Nina Totenberg touted the "quiet rage" and even "bad-assery" of Sen. Mazie Hirono, Democrat of Hawaii (lifetime American Conservative Union rating: 0.73 percent). She said to people who call her liberal, "F--- them."</p>